diff --git a/pkgs/by-name/fi/fixjson/package.nix b/pkgs/by-name/fi/fixjson/package.nix
index 37623c8bcc4f..5b95ac6a8e6a 100644
--- a/pkgs/by-name/fi/fixjson/package.nix
+++ b/pkgs/by-name/fi/fixjson/package.nix
@@ -2,21 +2,24 @@
   lib,
   buildNpmPackage,
   fetchFromGitHub,
+  nix-update-script,
 }:
 
 buildNpmPackage {
   pname = "fixjson";
-  version = "1.1.2-unstable-2021-01-05";
+  version = "0-unstable-2023-01-06";
 
   src = fetchFromGitHub {
     owner = "rhysd";
     repo = "fixjson";
     # Upstream has no tagged releases, but this commit bumps version
-    rev = "d0483f9cc59896ea59bb16f906f770562d332000";
-    hash = "sha256-Mu7ho0t5GzFYuBK6FEXhpsaRxn9HF3lnvMxRpg0aqYI=";
+    rev = "c49f27a0268fca69021fa8aafc9bbef9960f82e9";
+    hash = "sha256-Hse2EBppeEBoMQjRI97MNYWlRDpoOMhkZ/nbhpFgH5c=";
   };
 
-  npmDepsHash = "sha256-tnsgNtMdnrKYxcYy9+4tgp1BX+o8e5/HUDeSP5BOvUQ=";
+  npmDepsHash = "sha256-mreSdJxFjSaz3kNoFC5ZSlBENA2sOLmsxS0VKW4o0z4=";
+
+  passthru.updateScript = nix-update-script { extraArgs = [ "--version=branch" ]; };
 
   meta = {
     description = "JSON Fixer for Humans using (relaxed) JSON5";